Physicsmedium · Past Paper
A body is thrown vertically upwards with velocity u. The maximum height reached is:
Au/g
Bu^2 / 2g
Cu^2 / g
Du / 2g
✓ Correct Answer: B — u^2 / 2g
Using v^2 = u^2 - 2gh, at max height v=0, so 0 = u^2 - 2gh => h = u^2 / 2g.
Share this question
More from Physics
- A ball is thrown up and it reaches a height of 80m. What was its initial velocity? (g=10 m/s^2)
- The work-energy theorem states that work done on a body is equal to change in its:
- A train is moving at 18 km/h. How many meters does it travel in 1 second?
- A body starting from rest moves with a uniform acceleration of 2 m/s^2 for 5 seconds. The distance covered in the 5th second is:
- Two trains 120m and 80m long are running in opposite directions with velocities 42 km/h and 30 km/h. The time they take to cross each other is: